The Long Dig: How One Small Town Drilled Its Way Into the Modern World

Introduction: The Hidden World Beneath Our Feet In the German village of Allmannsweier, daily life once revolved around farms, fields, and familiar routines. Today, its rhythm hums to a deeper, mechanical beat. Beneath this quiet settlement lies an extraordinary story of transformation—a place where the local meets the global, and where the ground itself becomes a portal to progress. In The Long Dig, journalist Burkhard Bilger chronicles how Herrenknecht AG, a family-run manufacturer of tunneling machines, reshaped not only the earth but also the economic and social landscape of its home village.

Herrenknecht’s machines—enormous tunnel-boring systems the size of apartment buildings—have literally changed the contours of modern civilization. They carve the arteries of cities, connect continents, and underwrite the dream of seamless movement. Yet Bilger’s narrative reminds us that beneath every megaproject lies something profoundly human: ingenuity, interdependence, and consequence.

From Workshop to World Stage The Herrenknecht story begins humbly. In the 1970s, founder Martin Herrenknecht operated a small metal-working shop that repaired farm equipment and experimented with custom drill heads. But the postwar decades saw Europe hungry for connection—rail, road, and power lines across the Alps and under rivers. The company’s early tunneling machines grew in both size and sophistication, until Allmannsweier’s modest industrial lot became a center of global engineering excellence.

By the time Bilger visited, Herrenknecht AG had delivered hundreds of tunnel-boring machines (TBMs) to projects worldwide—from Beijing subways to the immense Gotthard Base Tunnel through the Swiss Alps, the world’s deepest and longest railway tunnel. Each TBM is a masterpiece of applied physics and precision control: a rotating cutterhead driving forward at a pace measured in centimeters per hour, balanced against pressures that would crush a submarine.

The irony is beautiful: a small town that once seemed peripheral becomes indispensable to the global core. Through mechanical genius and systemic cooperation, Allmannsweier joined the geography of globalization.

The Human–Machine Interface Bilger’s writing brings these titanic machines to life. A TBM is part monster, part organism: it chews rock, secretes concrete rings to stabilize its passage, and moves forward like a living being, guided by engineers who “listen” to its vibrations through sensors and screens.

Inside, the air smells of oil and dust. Temperatures climb, bolts groan, and pistons flex with millimeter precision. Operators wear headphones not just for safety but for communication—because each sound matters. A misaligned bearing, an unexpected tremor, a shift in soil density: every cue signals the health of a system larger than any one human or component.

This collaboration of mind, muscle, and machine embodies Humboldt’s Home’s central idea: humans and technologies do not stand apart from the natural world; they evolve as part of complex adaptive systems. The TBM isn’t merely a machine—it’s a co-actor in a vast drama of geology, physics, labor, and imagination.

Tunnel as Transformation The Gotthard Base Tunnel, completed in 2016 after nearly two decades of work, demonstrates how a single infrastructure project can redefine geography. By linking northern and southern Europe with a high-speed corridor beneath the Alps, it shortened travel times, reduced freight emissions, and symbolically erased one of the continent’s great natural barriers.

But transformation has many layers. Environmental scientists note the staggering material footprint of such projects: millions of cubic meters of excavated rock, massive energy consumption, and intricate groundwater management to avoid draining alpine aquifers. Meanwhile, sociologists track changes in local identity: small towns like Allmannsweier or Sedrun suddenly find themselves tied to global supply chains and transient labor forces. The tunnel connects nations—but it can also disconnect people from their historical pace of life.

Progress, Bilger hints, is never linear. It loops back, carving both benefits and burdens. Every meter advanced underground demands reflection above ground.

Values Buried Deep Toward the close of The Long Dig, Bilger writes that “every tunnel embodies its own philosophy.” The Gotthard project, for instance, enshrines values of precision, predictability, and control. Yet those same virtues can conceal blind spots: ecological disruption, cost overruns, or worker hazards. What lies buried isn’t just rock, but the moral choices societies make when they decide what to pierce, what to protect, and what to ignore.

As the machines of Allmannsweier bore ever deeper, the town itself grappled with new identities. Prosperity arrived, but so did dependency. Local schools began teaching technical skills aligned with Herrenknecht’s needs. Young people no longer left for cities—they apprenticed at the factory. The village became a microcosm of the global shift toward specialized expertise: narrow yet essential, localized yet planetary.

This recursive relationship—between place and progress, between technology and tradition—underscores the essay’s central question: as we tunnel through barriers of rock and bureaucracy alike, what are we truly digging toward? Connection or consumption? Mastery or mutuality?

Historical Lens: From Pickaxes to Planetary Networks A century ago, tunneling was largely manual labor—miners with pickaxes, candles, and mules. The first mechanized tunneling shield, invented by Marc Isambard Brunel in the early 1800s, transformed London’s underground. By the mid-20th century, hydraulic drills and conveyor systems turned tunnel-making into an industrial science.

Herrenknecht’s innovations represent the culmination of that lineage: the highly automated TBM functioning as a self-contained underground factory. In just 25 years, tunneling evolved from industrial craftsmanship to digital choreography. What once required thousands of laborers now demands hundreds of engineers—and terabytes of data. The historical arc shows not just technological progress but a systems shift in how humanity relates to the planet itself: less as conqueror, more as collaborator in managing stress and flow.

Systems Reflection: Digging as a Metaphor for Knowing Tunnels make visible an ancient human impulse—to seek what lies beyond the visible layer. From cave dwellers to data miners, we dig to connect. Each tunnel is both literal and metaphorical: a passage between ignorance and understanding, isolation and exchange.

In Allmannsweier, digging became destiny. The village’s prosperity depends on unseen worlds—subterranean projects linking cities they may never visit. Yet that dependency reveals a deeper truth: local well-being is inseparable from global systems. Just as Herrenknecht’s machines carve through mountain stone, human communities carve through uncertainty, guided by feedback, adaptation, and shared purpose.

Humboldt himself would have recognized this symmetry. He saw nature as a web of forces—geological, biological, and social—constantly shaping one another. The tunnels of today are not unlike the root systems he once mapped: hidden conduits of connection sustaining the visible world above.

Visual: Major Tunnels of the World

The map below shows major global tunnels without confusing interconnecting lines, to help visualize the hidden global infrastructure reshaping our world.

Sidebar: For Further Thought: For Further Thought • Systems Inquiry: How do engineering feats alter local societies, economies, and ecologies? • Equity Prompt: Who benefits—and who bears risks—when global-scale projects land in small towns? • Interconnection Exercise: In what ways do machines like TBMs reshape our sense of time, space, and difference? • Hidden-Cost Question: What lies unseen—politically, culturally, environmentally—beneath our infrastructure?

Classroom Discussion Prompts • How did Allmannsweier change because of its relationship with Herrenknecht AG? • What does the Gotthard Base Tunnel teach us about engineering’s influence on society? • In what ways do machines reshape human identity and local place? • How can we balance technological ambition with environmental and social care? • What systems-thinking insights emerge from massive engineering projects like this?

Sources

• Bilger, Burkhard. “The Long Dig.” The New Yorker, Sept 5, 2008 — Original profile of Herrenknecht AG and the Gotthard Base Tunnel.
• Swiss Federal Railways (SBB). “Gotthard Base Tunnel Facts and Figures.” 2016 — Technical overview of tunnel design, energy use, and regional impact.
• European Environment Agency. “Infrastructure and Landscape Change in Europe.” 2019 — Assessment of ecological effects of large-scale transport projects.
• Herring, Peter. Tunneling Machines: Engineering the Underground Frontier. Springer, 2021 — Context on the evolution of mechanized tunneling.
• Humboldt, Alexander von. Cosmos: A Sketch of a Physical Description of the Universe. 1845 — Foundational framework for viewing Earth’s systems as interconnected.

© 2025 Michael A. Pink